40840520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 108838080

約数和(自身を除く): 67997560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 140, 196, 245, 268, 280, 311, 335, 392, 469, 490, 536, 622, 670, 938, 980, 1244, 1340, 1555, 1876, 1960, 2177, 2345, 2488, 2680, 3110, 3283, 3752, 4354, 4690, 6220, 6566, 8708, 9380, 10885, 12440, 13132, 15239, 16415, 17416, 18760, 20837, 21770, 26264, 30478, 32830, 41674, 43540, 60956, 65660, 76195, 83348, 87080, 104185, 121912, 131320, 145859, 152390, 166696, 208370, 291718, 304780, 416740, 583436, 609560, 729295, 833480, 1021013, 1166872, 1458590, 2042026, 2917180, 4084052, 5105065, 5834360, 8168104, 10210130, 20420260, 40840520]

約数ペア:

[(1, 40840520), (2, 20420260), (4, 10210130), (5, 8168104), (7, 5834360), (8, 5105065), (10, 4084052), (14, 2917180), (20, 2042026), (28, 1458590), (35, 1166872), (40, 1021013), (49, 833480), (56, 729295), (67, 609560), (70, 583436), (98, 416740), (134, 304780), (140, 291718), (196, 208370), (245, 166696), (268, 152390), (280, 145859), (311, 131320), (335, 121912), (392, 104185), (469, 87080), (490, 83348), (536, 76195), (622, 65660), (670, 60956), (938, 43540), (980, 41674), (1244, 32830), (1340, 30478), (1555, 26264), (1876, 21770), (1960, 20837), (2177, 18760), (2345, 17416), (2488, 16415), (2680, 15239), (3110, 13132), (3283, 12440), (3752, 10885), (4354, 9380), (4690, 8708), (6220, 6566)]